Mezilečí was formerly part of the German Empire. In the German Empire, the place was called Mezilečí.
The place is now called Mezilečí and belongs to Czechoslovakia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Mezleč | Austro-Hungary | Nachod | before the Treaty of Saint-Germain |
| Meziléčí | Austro-Hungary | Nachod | before the Treaty of Saint-Germain |
| Mezilečí | Czechoslovakia | Náchod | after the Treaty of Saint-Germain |
| Mesletsch | German Empire | Nachod | 1939 |
| Mezilečí | German Empire | Nachod | 1939 |
| Mezilečí | Czechoslovakia | Náchod | 1945 |
| Mezilečí | Czechoslovakia | Východní Čechy | 1992 |